Former Wales and Lions centre Allan Bateman scored a brace of tries in his final game for Hoel y Cyw before he hangs up his boots for good. The 45-year-old, who also played rugby league for Great Britain, helped his side demolish Treherbert 74-0 and consolidate their fifth place in Division Three South East.
Tylorstown sneaked ahead in the race for the title, taking advantage of Penarth's 18-18 draw with Aberdare by hammering Llandaff North 52-12.
St Peters also capitalised, beating Brecon 31-6 to jump up to second, while at the other end Fairwater earned what could turn out to be a vital bonus point as they lost 18-14 at Llanishen.
Ian Davies was in sparkling form again for Division Two East leaders Gilfach Goch. The full-back landed a perfect seven-out-of-seven kicks as the Goch won 33-15 at Llantrisant.
But they may rue the missed bonus point as Mountain Ash closed the gap to nine points with a 35-7 victory over Ynysybwl, thanks in large part to two tries apiece by Gavin Roberts and Thomas Pascoe.
There was also double-delight for Treorchy wing Peter Hutchings, who bagged a brace as the promotion-chasers beat Llantwit Fardre 39-25.
Newport Saracens might yet escape the drop after a nervy 20-19 win at Rhydyfelin, while fellow strugglers Penallta beat Garndiffaith 31-18.
Abergavenny may lead Division Three East by 11 points but they were made to earn victory by Newport HSOB.Tries by wing Will Williams, number 8 James Williams, and centres Stuart and Ian Davies scraped them home, 24-14.
The ever-brilliant Paul Emanuelli was again the hero for second-placed Fleur de Llys, kicking 19 points as they beat Croesyceiliog. Wing Jamie Henthorn crossed twice to seal the 29-24 win for Fleur, who have four games in hand on the leaders.
Dowlais are champions-elect of Division Four South East after they beat Dowlais 28-10 and rivals Cardiff HSOB went down 30-25 to Taff's Well.
Beating Merthyr has boosted Carmarthen Quins hopes of reaching a top eight spot in the Principality Premiership. Quins captain Haydn Pugh is delighted with his team's progress and is determined that everyone from the Under 6s through to the senior team, enjoys the ride.
When the Wales squad were asked to nominate individuals who played a big part in their early playing days, Wales and Dragons full back and wing Hallam Amos thought of his former Monmouth School rugby coach John Bevan.
Sam Cross and Luke Treharne have been named as co-captains of the Wales Sevens side as head coach Gareth Williams names his 12-man squad to play in the first leg of the HSBC World Series in Dubai next weekend.
Bedwas head coach Steve Law and players Nicky Griffiths and Alun Rees extol the virtues of the close knit club as they prepare to host third place RGC 1404 - who are one place head of them on the Principality Premiership points table - on Saturday.
Many of the Wales squad have said Diolch (thank you) to someone who played an important part in their early playing days by nominating them to be invited to the Wales v South Africa match. One person, Gowerton Comprehensive geography teacher Mr Dean Mason was nominated by two of his former pupils, Dan Biggar and Sam Davies.
The second WRU disability rugby pilot has been delivered, this time in Caerphilly schools, culminating in a festival at the Caerphilly Centre of Sporting Excellence, Ystrad Mynach tomorrow. Plans are in place to set up a Disability Rugby Club in Newbridge to provide long-term playing opportunities.
WRU TV: Hear from inside the Wales camp as Neil Jenkins discusses this weekend's clash with South Africa and how the squad are looking to put in a strong performance to round of the 2016 Under Armour Series